2026 First Quarterly Report

2026 First Quarterly Report 1 Stock Code: 002493 Stock Abbreviation: Rongsheng Petrochemical Announcement No.: 2026-007 Rongsheng Petrochemical Co., Ltd. 2026 First Quarterly Report Important notice: 1. The Board of Directors, the Directors and Senior Management confirm that the contents in this quarterly report are true, accurate, and complete and have no false representations, misleading statements or material omissions, and they shall severally and jointly accept legal responsibility for such contents. 2. The principal of the Company, the person in charge of the Company’s accounting and the person in charge of the accounting department(accounting officer), hereby make representations in respect of the truthfulness, accuracy and completeness of the financial statements in this quarterly report. 3. Whether the First Quarterly Report has been audited □Yes RNo 4. In case of any discrepancy between this version and Chinese version, the Chinese version shall prevail. I. Key Financial Data (I) Key accounting data and financial indicators Whether the Company needs to retroactively adjust or restate prior years’ accounting data □Yes RNo Current reporting period Same period of the previous year Increase/decrease in the current reporting period over the same period of the previous year (%) Operating income (RMB) 60,629,357,967.14 74,975,429,161.64 -19.13% Net profit attributable to shareholders of the listed company (RMB) 2,815,287,974.96 588,401,349.75 378.46% Net profit attributable to shareholders of the listed company net of non-recurring gains and losses (RMB) 3,029,323,370.99 618,349,603.39 389.90% The Company and all members of the Board of Directors confirm that the information disclosed is true, accurate and complete, and has no false representations, misleading statements or material omissions. 2026 First Quarterly Report 2 Net cash flow from operating activities (RMB) 8,537,386,735.34 7,977,336,348.96 7.02% Basic earnings per share (RMB per share) 0.29 0.06 383.33% Diluted earnings per share (RMB per share) 0.29 0.06 383.33% Weighted average return on net assets 6.26% 1.33% 4.93% End of the reporting period End of last year Increase/decrease at the end of the reporting period over the end of last year Total assets (RMB) 406,982,388,320.48 386,633,124,294.10 5.26% Owner’s equity attributable to shareholders of the listed company (RMB) 46,378,845,465.55 43,593,522,953.92 6.39% (II) Items and amounts of non-recurring gain and loss RApplicable □Not applicable Unit: RMB Item Amount in the current reporting period Gains or losses on disposal of non-current assets (including the part written-off with provision for asset impairment accrued) 1,367.96 Government grants recognized in current gains and losses (excluding government grants that are closely related to the Company's normal business operations, comply with national policy regulations, are enjoyed based on specified standards, and